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Pension and Profit Sharing (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]      
Company shares included in plan   0 10,000
Market value of Company shares included in plan     $ 174,000
Expected long-term rate of return on plan assets   6.00% 6.00%
Net actuarial gain (loss) $ (106,000) $ 99,019 $ (62,677)
Prior service cost $ 1,000 $ 36,000 $ 25,000
Company contributions to profit sharing plan   50.00% 50.00%
Employee contributions to profit sharing plan   6.00% 6.00%
Total profit sharing contribution expense   $ 188,518 $ 166,050